<template>
  <div class="app-container">
    <el-form :model="queryForm" ref="queryForm" :inline="true" v-show="showSearch">
      <el-form-item label="删除状态" prop="delFlag">
        <el-select v-model="queryForm.delFlag" placeholder="删除状态" clearable size="small">
          <el-option
            v-for="item in delFlagOptions"
            :key="item.value"
            :label="item.label"
            :value="item.value">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd()"
          v-has-perm="['mall_goodsCategory:add']">新增
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="list"
      :header-cell-style="thStyleFun"
      row-key="id"
      default-expand-all
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
      <el-table-column prop="name" label="名称" show-overflow-tooltip width="200"></el-table-column>
      <el-table-column label="图片" align="center" width="300">
        <template slot-scope="scope">
          <el-image style="width: 200px; height: 50px" :src="scope.row.picList[0]" fit="contain"
                    :preview-src-list="scope.row.picList"/>
        </template>
      </el-table-column>
      <el-table-column prop="orderNum" label="排序" align="center" width="200"></el-table-column>
      <el-table-column label="是否显示" align="center" width="200">
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.status"
            :active-value="1"
            :inactive-value="0"
            @change="handleStatusChange(scope.row)"></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="200"></el-table-column>
      <el-table-column label="更新时间" align="center" prop="updateTime" width="200"></el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="detail"
            icon="el-icon-view"
            @click="handleUpdate(scope.row)"
            v-has-perm="['mall_goodsCategory:detail']"
          >详情
          </el-button>
          <el-button
            size="mini"
            type="add"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-has-perm="['mall_goodsCategory:add']"
          >新增
          </el-button>
          <el-button
            size="mini"
            type="del"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-has-perm="['mall_goodsCategory:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改分类对话框 -->
    <el-dialog v-dialog-drag :title="title" :visible.sync="open" width="600px" append-to-body :before-close="reset">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级分类" prop="pid">
              <treeselect v-model="form.pid" :options="gcOptions" :normalizer="$normalizer"
                          :show-count="true" placeholder="选择上级分类"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="分类名称" prop="name">
              <el-input v-model="form.name" placeholder="请输入分类名称"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0"/>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="图片" prop="picList">
              <el-image style="width:300px;height:150px;" :src="form.picList[0]" fit="contain" @click.native="uploadPhotos">
                <div slot="error" class="image-slot">
                  <img style="width:150px;height:150px;" src="@/assets/images/userImg.jpg"/>
                </div>
              </el-image>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="描述" prop="description">
              <el-input v-model="form.description" placeholder="请输入描述信息"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="是否显示">
              <el-radio-group v-model="form.status">
                <el-radio v-for="item in statusOptions"
                          :key="item.value" :label="item.value">
                  {{ item.label }}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
        <!-- 图片上传组件 -->
        <common-upload v-if='photo.dialogImgPath' ref='upload' @listenEvent='dialogImgPathClose'
                       :dialog="photo.dialogImgPath"
                       :save='photo.needSavePhoto' :photoid='photo.tableId' :random='photo.random'
                       :bucket='photo.bucket'
                       :type='photo.tableType'></common-upload>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <span v-has-perm="['mall_goodsCategory:add']">
          <el-button type="primary" v-if="title=='添加分类'" @click="submitForm">确 定
          </el-button>
        </span>
        <span v-has-perm="['mall_goodsCategory:edit']">
          <el-button type="primary" v-if="title=='修改分类'" @click="submitForm">确 定
          </el-button>
        </span>
        <el-button @click="reset()">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {addGc, changeGcStatus, delGc, getGcById, getGcTree, updateGc} from "@/api/mall/goodsCategory";
import Treeselect from "@riophae/vue-treeselect";
import commonUpload from '@/components/Common/common-upload'//  引入上传图片组件
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import {thStyleFun} from "@/utils/common";

export default {
  name: "goodsCategory",
  components: {Treeselect, 'common-upload': commonUpload},
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      //上传图片
      photo: {
        dialogImgPath: false,
        needSavePhoto: false,
        tableId: '',
        tableType: '',
        random: '',
        bucket: '公有',
      },
      // 表格树数据
      list: [],
      // 分类树选项
      gcOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 状态
      statusOptions: [
        {value: 0, label: '隐藏'},
        {value: 1, label: '显示'}
      ],
      // 状态
      delFlagOptions: [
        {value: 0, label: '正常'},
        {value: 1, label: '删除'}
      ],
      // 查询参数
      queryForm: {
        status: undefined,
        delFlag: 0
      },
      // 表单参数
      form: {
        id: undefined,
        pid: 0,
        name: undefined,
        orderNum: undefined,
        picList: [],
        status: 0
      },
      // 表单校验
      rules: {
        pid: [
          {required: true, message: "上级分类不能为空", trigger: "blur"}
        ],
        name: [
          {required: true, message: "分类名称不能为空", trigger: "blur"}
        ],
        orderNum: [
          {required: true, message: "分类顺序不能为空", trigger: "blur"}
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    uploadPhotos() {//上传图片按钮
      this.photo.needSavePhoto = true//需要保存按钮
      this.photo.tableId = this.form.id
      this.photo.tableType = '商品分类'
      this.photo.random = parseInt((Math.random() * 9 + 1) * 100000000000)
      this.photo.dialogImgPath = true
    },
    dialogImgPathClose() {//上传图片弹窗关闭
      this.photo.dialogImgPath = false
    },
    /** 查询分类列表 */
    getList() {
      this.loading = true;
      getGcTree(this.queryForm).then(({result: res}) => {
        this.list = res;
        this.loading = false;
      }).catch(err => {
        this.loading = false;
      })
    },
    // 状态
    statusFormat(row, column) {
      return this.matchingLabel(this.statusOptions, row.status)
    },
    // 表单重置
    reset() {
      this.gcOptions = []
      this.$refs['form'].resetFields()
      this.form = this.$options.data().form
      this.open = false
    },
    // 商品状态修改
    async handleStatusChange(row) {
      let text = row.status === 0 ? "隐藏" : "显示";
      const confirm = await this.$confirm('确认要' + text + ' "  ' + row.name + '  " 分类吗?', "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).catch(err => err)
      if (confirm != 'confirm') {
        row.status = row.status === 0 ? 1 : 0
        return this.$message.info('取消操作')
      }
      changeGcStatus(row.id, row.status).then((res) => {
        this.$message.success(text + "成功");
      }).catch(err => {
        row.status = row.status === 0 ? 1 : 0
      })
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.getGcOption()
      if (row != undefined) {
        this.form.pid = row.id;
      }
      this.open = true;
      this.title = "添加分类";

    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.getGcOption()
      getGcById(row.id).then(({result: res}) => {
        this.form = res;
        this.open = true;
        this.title = "修改分类";
      })
    },
    /** 获取分类列表 */
    getGcOption() {
      getGcTree().then(({result: res}) => {
        let gc = {id: "0", name: '主类目', children: []}
        gc.children = res
        this.gcOptions.push(gc)
      })
    },
    /** 提交按钮 */
    submitForm: function () {
      if (this.validForm("form")) {
        if (this.form.id != undefined) {
          updateGc(this.form).then(res => {
            this.$message.success("修改成功");
            this.open = false;
            this.getList();
          })
        } else {
          addGc(this.form).then(res => {
            this.$message.success("新增成功");
            this.open = false;
            this.getList();
          })
        }
      }
    },
    /** 删除按钮操作 */
    async handleDelete(row) {
      const confirm = await this.$confirm('是否确认删除名称为 " ' + row.name + ' " 的数据项?', "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).catch(err => err)
      if (confirm != 'confirm') {
        return this.$message.info('取消操作')
      }
      delGc(row.id).then((res) => {
        this.getList();
        this.$message.success("删除成功");
      })
    },
    // 表格居中 (html中使用需要先声明)
    thStyleFun,
  }
};
</script>
